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Open source projects and samples from Microsoft
README.md

Open Source at Microsoft

Get Involved

Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

Visit opensource.microsoft.com to learn more!

Microsoft projects adopt the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ.

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  1. vscode vscode Public

    Visual Studio Code

    TypeScript 180k 37k

  2. TypeScript TypeScript Public

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 127k 7.5k

  4. terminal terminal Public

    The new Windows Terminal and the original Windows console host, all in the same place!

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

    Integrate cutting-edge LLM technology quickly and easily into your apps

    C# 26.9k 4.4k

Repositories

Showing 10 of 7453 repositories
  • AzureKeyVaultManagedHSMEngine Public

    Azure Key Vault and Managed HSM Engine, compatible with OpenSSL

    microsoft/AzureKeyVaultManagedHSMEngine’s past year of commit activity
    C 25 MIT 18 0 0 Updated Dec 24, 2025
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 18,740 MIT 3,610 844 367 Updated Dec 24, 2025
  • json-schemas Public

    Publishing repository for different schemas used by products and services from Microsoft

    microsoft/json-schemas’s past year of commit activity
    Python 119 MIT 101 19 1 Updated Dec 24, 2025
  • durabletask-dotnet Public

    Out-of-process .NET SDK for the Durable Task Framework

    microsoft/durabletask-dotnet’s past year of commit activity
    C# 173 MIT 53 40 31 Updated Dec 24, 2025
  • Agent365-devTools Public

    The Microsoft Agent 365 DevTools CLI is a command-line interface tool designed to streamline the development, deployment, and management of Microsoft Agent 365 applications.

    microsoft/Agent365-devTools’s past year of commit activity
    C# 14 MIT 5 12 5 Updated Dec 24, 2025
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 30,672 MIT 1,568 951 29 Updated Dec 24, 2025
  • azure-devops-extension-api Public

    REST client libraries and contracts for Azure DevOps web extension developers.

    microsoft/azure-devops-extension-api’s past year of commit activity
    TypeScript 119 MIT 49 84 9 Updated Dec 24, 2025
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,813 555 142 11 Updated Dec 24, 2025
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 133 MIT 32 3 (1 issue needs help) 2 Updated Dec 24, 2025
  • mcscatblog Public
    microsoft/mcscatblog’s past year of commit activity
    SCSS 6 MIT 5 8 4 Updated Dec 24, 2025
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